ABB 2CSB202001R3250 DDA202 AC-25/0.3 2P 25A 300mA Type AC Residual Current Circuit Breaker Module

The ABB DDA202 AC-25/0.3 (SKU: 2CSB202001R3250) is a 2-pole residual current circuit breaker module rated at 25A with a 300mA sensitivity, belonging to the DDA200 series. Designed for Type AC applications, it provides reliable earth leakage protection in residential, commercial, and light industrial installations. With compact dimensions of 70mm × 93mm × 69mm and a weight of just 325g, the DDA202 AC-25/0.3 integrates seamlessly into standard distribution boards and control panels.

Technical Specifications

Certifications & Standards

• IMQ: Italian certification mark confirming compliance with safety and performance standards
• NF: French NF certification mark for electrical equipment quality and safety
• IEC 61009: International standard for residual current circuit breakers with integral overcurrent protection
• EN 61009: European harmonised standard equivalent to IEC 61009 for RCCB devices
• IEC/EN 60664-1: Insulation coordination standard for low-voltage equipment within electrical installations
• IEC 60068-2: Environmental testing standard covering climatic and mechanical durability
• EN 60664-1: European standard for insulation coordination in low-voltage systems
• UL 2799: UL standard for electrical system safety compliance
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation on chemical substance safety
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Residential distribution boards requiring earth leakage protection
• Commercial electrical installations with 2-pole circuit configurations
• Light industrial control panels requiring Type AC residual current protection
• Protection of socket outlet circuits and fixed appliance circuits up to 25A
• Integration with ABB DDA200 series modular systems for scalable protection solutions